Jim Hokanson

Duke University

258 total contributions since 2009

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Question

waiting for current folder viewer to expand
I'm writing some code to expand the current folder viewer and I've found that expanding the folders, equivalent to clicking on t...

1 month ago | 0 answers | 0

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answers

Submitted

JimHokanson/plotBig_Matlab
Plot large amounts of line data quickly

2 months ago | 2 downloads |

Answered
function signature for package function
So apparently there were two issues. First, these json files must be placed in the same folder that gets added to the path. So...

7 months ago | 0

| accepted

Question

function signature for package function
Well I just hit "cancel" instead of "submit" so here's a short version :/ I can't get functionSignatures.json to work for the f...

8 months ago | 1 answer | 0

1

answer

Solved

Array GCD
* Find Greatest Common Divisor in a given array * Function Template: function ans = arraygcd(a) % a=[45 15 200 ...

9 months ago

Question

trouble reading ordinal categorical variable with missing value using readtable
I am trying to read an Excel file that has an empty cell for a categorical ordered column. For example something like {0 5 [] 3 ...

9 months ago | 1 answer | 0

1

answer

Answered
Refresh legend from the command line
I've found hiding and showing the legend works. ax = gca; %might be different ... legend(ax,'hide'); legend(ax,'show');

10 months ago | 0

Submitted

TDMS Reader
Read TDMS files v1 & v2 without DLL Current Version: 2.5

10 months ago | 324 downloads |

Question

error removing subplot listeners manager
After plotting some subplots I start to move around the axes (change position values). Normally this works fine but I'm running ...

10 months ago | 0 answers | 0

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answers

Question

getpixelposition vs OuterPosition of figure
I'm getting different values from getpixelposition and the OuterPosition of the figure ... get(gcf,'OuterPosition') ans = ...

11 months ago | 2 answers | 0

2

answers

Question

thread safety of mx mex functions
Although I'm aware that mx mex functions are generally considered not to be thread safe, it is unclear to me if this applies to ...

1 year ago | 1 answer | 0

1

answer

Answered
Deploying a standalone application to computer with no install privileges
I ended up switching to Octave for this project. Octave can be run without installation. The zip download is about 400 MB which ...

1 year ago | 1

Question

Deploying a standalone application to computer with no install privileges
I wrote a simple GUI which I was planning on placing in a standalone application to be run on a computer without Matlab. I inclu...

1 year ago | 2 answers | 0

2

answers

Answered
Best way to locate shared (.dylib) libraries used by MATLAB mex files on MacOS X
I've had some luck with the following command in the same directory as my mex file. install_name_tool -change /Users/jim/...

1 year ago | 2

Answered
queue addlistener events or place event on EDT
I found a different solution which appears to work nicely: <https://undocumentedmatlab.com/blog/matlab-and-the-event-dispatch-t...

1 year ago | 0

| accepted

Question

Get start time of a daq session
I'm wondering if it is possible to get the time at which the DAQ starts so that I can keep track of other code events, relative ...

2 years ago | 1 answer | 0

1

answer

Answered
is it possible to retrieve command window output of parallel worker
Presumably you could use this when run in the worker ... <https://www.mathworks.com/matlabcentral/fileexchange/31438-command-wi...

2 years ago | 0

Answered
Error is a warning in parfeval function
So, it appears the issue was not with the worker but in the client. After some debugging I tried this instead: function han...

2 years ago | 1

Question

Error is a warning in parfeval function
I have the following (pseudo) code and I'm getting the following warning in my command window (2017b Windows). function par...

2 years ago | 1 answer | 1

1

answer

Question

is it possible to retrieve command window output of parallel worker
Is it possible to retrieve the command window output from a worker when using parfeval? Specifically I'd like to catch listener ...

2 years ago | 2 answers | 0

2

answers

Question

Data transfer specifics for a queue
Documentation for parallel.pool.DataQueue and parallel.pool.PollableDataQueue says next to nothing about how data is transferred...

2 years ago | 1 answer | 1

1

answer

Question

What is the difference between DataQueue and PollableDataQueue
What is the difference between parallel.pool.DataQueue and parallel.pool.PollableDataQueue. It seems the pollable queue is the s...

2 years ago | 1 answer | 0

1

answer

Answered
Retrieve meta.DynamicProperty from class instance
After a bit more searching it appears you need to do: prop_meta = findprop(obj,prop_name); Found at: <https://stackov...

2 years ago | 0

Question

Retrieve meta.DynamicProperty from class instance
Is it possible to retrieve meta.DynamicProperty for dynamic properties from a class instance?

2 years ago | 1 answer | 0

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answer

Question

is it possible to measure the time it takes to render a figure
I would like to log the time it takes to render a figure. Is there a way to listen for the "start" and "end" of rendering a figu...

2 years ago | 2 answers | 0

2

answers

Solved

An asteroid and a spacecraft
&#128640 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...

2 years ago

Solved

5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

2 years ago

Question

Alignment of textarrow text with line
How would I get the text from a textarrow annotation to align with the start of a line. I am unclear how to control the textbox ...

2 years ago | 1 answer | 0

1

answer

Solved

Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

2 years ago

Solved

"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

2 years ago

Jim Hokanson

Duke University

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